well, i guess the laws of physics are more like.. general guidelines. >>> reenergized mitt romney capitalizing on his strong debate showing while president obama is suddenly on the defensive. how quickly things can change. what happens next? joining me is democratic strategist and cnn contributor, maria cardona and crystal wright, editor of conservative black chick.com. welcome. >> thank you, piers. >> good to be with you. >> there you are, coaching away with mitt romney and boom, he does the debate of his life. i know you weren't coaching him for this one but you're looking quite happy the way things have progressed on the debate level. >> well, governor romney has gotten better -- he's definitely better since the 2007-08 cycle and across these primary debates, this cycle. he's gotten increasingly better and last night i think he had the best debate performance he has had so far. >> maria, if you are a democrat right now, you're pretty worried, aren't you? it was a very, very bizarre performance by the president. he didn't mention a